Lt. Gen. R. Scott Williams, Commander, Continental U.S. NORAD Region-1st Air Force (Air Forces Northern), stands with Lt. Gen. Jeffrey Buchanan, Commander, U.S. Army Northern in front of an Avenger Air Defense System static display in front of the Killey Center for Homeland Operations. during Buchanan’s visit July 11-12. During his visit, he toured the 601st Air Operations Center, the Killey Center for Homeland Operations and discussed current issues regarding their joint roles within the U.S. Northern Command enterprise. (Photo by Mary McHale)